/* =============================================
   AguaVales — Maintenance Page Styles (Three.js Enhanced)
   ============================================= */

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-bg: #020818;
    --color-bg-alt: #0a1128;
    --color-surface: rgba(8, 16, 42, 0.55);
    --color-surface-hover: rgba(14, 25, 60, 0.65);
    --color-border: rgba(96, 165, 250, 0.1);
    --color-border-hover: rgba(96, 165, 250, 0.28);
    --color-primary: #3b82f6;
    --color-primary-light: #60a5fa;
    --color-primary-glow: rgba(59, 130, 246, 0.35);
    --color-accent: #06b6d4;
    --color-accent-glow: rgba(6, 182, 212, 0.25);
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-text-dim: #64748b;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-glow: 0 0 60px rgba(59, 130, 246, 0.12), 0 0 120px rgba(6, 182, 212, 0.06);
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    position: relative;
}

/* ---------- Three.js Background ---------- */
#threeBg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

#threeBg canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

/* ---------- Overlay gradient ---------- */
.overlay-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(59, 130, 246, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 20% 100%, rgba(6, 182, 212, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.03) 0%, transparent 50%),
        linear-gradient(180deg, rgba(2, 8, 24, 0.2) 0%, rgba(2, 8, 24, 0.6) 100%);
}

/* ---------- Water Drops Background ---------- */
.water-drops {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.water-drop {
    position: absolute;
    background: radial-gradient(ellipse at 30% 30%, rgba(96, 165, 250, 0.35), rgba(59, 130, 246, 0.06));
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    animation: floatDrop linear infinite;
    opacity: 0;
    filter: blur(0.5px);
    border: 1px solid rgba(96, 165, 250, 0.08);
}

@keyframes floatDrop {
    0% {
        transform: translateY(110vh) rotate(0deg) scale(0.4);
        opacity: 0;
    }
    8% { opacity: 0.6; }
    92% { opacity: 0.6; }
    100% {
        transform: translateY(-10vh) rotate(360deg) scale(1.1);
        opacity: 0;
    }
}

/* ---------- Main Container ---------- */
.maintenance-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 680px;
    padding: 48px 24px 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
    min-height: 100vh;
    justify-content: center;
}

/* ---------- Brand ---------- */
.brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    opacity: 0;
    animation: heroEnter 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

.logo-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid var(--color-border);
    animation: breathe 4s ease-in-out infinite, logoFloat 6s ease-in-out infinite;
    transition: var(--transition-smooth);
    position: relative;
}

.logo-icon::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: conic-gradient(
        from 0deg,
        transparent 0%,
        rgba(59, 130, 246, 0.3) 25%,
        transparent 50%,
        rgba(6, 182, 212, 0.3) 75%,
        transparent 100%
    );
    animation: spinRing 8s linear infinite;
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.logo-icon:hover::before {
    opacity: 1;
}

.logo-icon:hover {
    transform: scale(1.12);
    background: rgba(59, 130, 246, 0.15);
    border-color: var(--color-border-hover);
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.25);
}

.logo-icon svg {
    width: 48px;
    height: 48px;
    filter: drop-shadow(0 4px 12px rgba(59, 130, 246, 0.5));
}

@keyframes spinRing {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes breathe {
    0%, 100% { box-shadow: 0 0 20px rgba(59, 130, 246, 0.08); }
    50% { box-shadow: 0 0 50px rgba(59, 130, 246, 0.2); }
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.brand-name {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--color-text);
    text-shadow: 0 2px 20px rgba(59, 130, 246, 0.15);
}

.brand-accent {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent), #818cf8);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ---------- Glass Card ---------- */
.glass-card {
    width: 100%;
    background: var(--color-surface);
    backdrop-filter: blur(32px) saturate(1.8);
    -webkit-backdrop-filter: blur(32px) saturate(1.8);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 44px 40px;
    text-align: center;
    box-shadow: var(--shadow-glow);
    opacity: 0;
    animation: cardEnter 1s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
    transition: border-color var(--transition-smooth), transform var(--transition-smooth), box-shadow var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(96, 165, 250, 0.5), rgba(6, 182, 212, 0.3), transparent);
}

.glass-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(96, 165, 250, 0.03), transparent);
    animation: cardSheen 6s ease-in-out infinite;
    pointer-events: none;
}

@keyframes cardSheen {
    0%, 100% { left: -100%; }
    50% { left: 150%; }
}

.glass-card:hover {
    border-color: var(--color-border-hover);
    box-shadow: 0 0 80px rgba(59, 130, 246, 0.15), 0 0 160px rgba(6, 182, 212, 0.05);
}

/* ---------- Gear Animation ---------- */
.gear-container {
    position: relative;
    width: 110px;
    height: 85px;
    margin: 0 auto 24px;
}

.gear {
    position: absolute;
    color: var(--color-primary);
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.2));
}

.gear-1 {
    width: 64px;
    height: 64px;
    top: 0;
    left: 12px;
    opacity: 0.22;
    animation: spinGear 8s linear infinite;
}

.gear-2 {
    width: 44px;
    height: 44px;
    top: 28px;
    right: 10px;
    opacity: 0.15;
    animation: spinGearReverse 6s linear infinite;
}

@keyframes spinGear {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes spinGearReverse {
    from { transform: rotate(0deg); }
    to { transform: rotate(-360deg); }
}

/* ---------- Status Badge ---------- */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 22px;
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.18);
    border-radius: 100px;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: var(--color-warning);
    margin-bottom: 20px;
    animation: badgePulse 3s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
    50% { box-shadow: 0 0 20px rgba(245, 158, 11, 0.08); }
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-warning);
    animation: pulseDot 2s ease-in-out infinite;
    position: relative;
}

.pulse-dot::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: var(--color-warning);
    opacity: 0;
    animation: pulseRing 2s ease-in-out infinite;
}

@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.9); }
}

@keyframes pulseRing {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(3); opacity: 0; }
}

/* ---------- Card Title & Desc ---------- */
.card-title {
    font-size: 1.85rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.3;
    margin-bottom: 14px;
    background: linear-gradient(180deg, #ffffff 0%, #a5b4c8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-description {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    max-width: 440px;
    margin: 0 auto 36px;
}

/* ---------- Progress Bar ---------- */
.progress-section {
    width: 100%;
    margin-bottom: 36px;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.progress-label {
    font-size: 0.78rem;
    color: var(--color-text-dim);
    font-weight: 500;
}

.progress-value {
    font-size: 0.78rem;
    color: var(--color-primary-light);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(59, 130, 246, 0.06);
    border-radius: 100px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent), #818cf8);
    background-size: 200% 100%;
    border-radius: 100px;
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    animation: progressGradient 3s ease-in-out infinite;
}

@keyframes progressGradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
    animation: shimmer 2.5s ease-in-out infinite;
}

.progress-glow {
    position: absolute;
    top: -6px;
    height: 18px;
    width: 50px;
    background: var(--color-primary);
    border-radius: 100px;
    filter: blur(12px);
    opacity: 0.4;
    transition: left 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(300%); }
}

/* ---------- Countdown Timer ---------- */
.countdown-section {
    width: 100%;
}

.countdown-label {
    font-size: 0.78rem;
    color: var(--color-text-dim);
    font-weight: 500;
    margin-bottom: 18px;
}

.countdown-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-width: 78px;
}

.countdown-number-wrap {
    background: rgba(59, 130, 246, 0.06);
    border: 1px solid rgba(59, 130, 246, 0.08);
    border-radius: var(--radius-md);
    padding: 8px 14px;
    min-width: 68px;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.countdown-number-wrap:hover {
    border-color: rgba(59, 130, 246, 0.2);
    background: rgba(59, 130, 246, 0.1);
}

.countdown-number {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
    line-height: 1;
    background: linear-gradient(180deg, #ffffff, var(--color-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.countdown-number.flip {
    animation: flipNum 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes flipNum {
    0% { transform: scale(1) rotateX(0deg); }
    40% { transform: scale(1.2) rotateX(-15deg); }
    100% { transform: scale(1) rotateX(0deg); }
}

.countdown-unit {
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-dim);
}

.countdown-separator {
    font-size: 2rem;
    font-weight: 300;
    color: var(--color-primary);
    opacity: 0.3;
    padding-bottom: 26px;
    animation: blinkSep 1s ease-in-out infinite;
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

@keyframes blinkSep {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.08; }
}

/* ---------- Notify Card ---------- */
.notify-card {
    padding: 34px 40px;
    animation-delay: 0.55s;
}

.notify-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--color-text);
}

.notify-description {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 20px;
    line-height: 1.5;
}

.notify-form {
    display: flex;
    gap: 10px;
    width: 100%;
}

.input-wrapper {
    flex: 1;
    position: relative;
}

.input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--color-text-dim);
    pointer-events: none;
    transition: color var(--transition-fast);
}

.input-wrapper:focus-within .input-icon {
    color: var(--color-primary-light);
}

#emailInput {
    width: 100%;
    padding: 14px 14px 14px 42px;
    background: rgba(8, 16, 42, 0.8);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

#emailInput::placeholder {
    color: var(--color-text-dim);
}

#emailInput:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow), 0 0 20px rgba(59, 130, 246, 0.1);
    background: rgba(8, 16, 42, 0.95);
}

.notify-btn {
    position: relative;
    padding: 14px 26px;
    background: linear-gradient(135deg, var(--color-primary), #2563eb);
    border: none;
    border-radius: var(--radius-md);
    color: #ffffff;
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    white-space: nowrap;
}

.notify-btn::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s ease;
}

.notify-btn:hover::before {
    left: 100%;
}

.notify-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px var(--color-primary-glow);
}

.notify-btn:active {
    transform: translateY(0);
}

.btn-text {
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.btn-success {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.5);
    transition: opacity var(--transition-fast), transform var(--transition-spring);
}

.btn-success svg {
    width: 22px;
    height: 22px;
}

.notify-btn.success {
    background: linear-gradient(135deg, var(--color-success), #059669);
    pointer-events: none;
}

.notify-btn.success .btn-text {
    opacity: 0;
    transform: translateY(10px);
}

.notify-btn.success .btn-success {
    opacity: 1;
    transform: scale(1);
}

/* ---------- Features Section ---------- */
.features-section {
    width: 100%;
    opacity: 0;
    animation: cardEnter 1s cubic-bezier(0.16, 1, 0.3, 1) 0.7s forwards;
}

.features-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: 18px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.feature-card {
    background: var(--color-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 26px 18px;
    text-align: center;
    transition: transform var(--transition-smooth), border-color var(--transition-smooth), background var(--transition-smooth), box-shadow var(--transition-smooth);
    cursor: default;
    opacity: 0;
    animation: featureEnter 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    position: relative;
    overflow: hidden;
}

.feature-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(59, 130, 246, 0.08), transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.feature-card:hover::after {
    opacity: 1;
}

.feature-card:nth-child(1) { animation-delay: 0.85s; }
.feature-card:nth-child(2) { animation-delay: 1s; }
.feature-card:nth-child(3) { animation-delay: 1.15s; }

.feature-card:hover {
    transform: translateY(-6px) scale(1.02);
    border-color: var(--color-border-hover);
    background: var(--color-surface-hover);
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.1);
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(59, 130, 246, 0.08);
    color: var(--color-primary-light);
    transition: background var(--transition-fast), transform var(--transition-spring), box-shadow var(--transition-fast);
}

.feature-card:hover .feature-icon {
    background: rgba(59, 130, 246, 0.18);
    transform: scale(1.12) translateY(-2px);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.2);
}

.feature-icon svg {
    width: 22px;
    height: 22px;
}

.feature-card h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.feature-card p {
    font-size: 0.75rem;
    color: var(--color-text-dim);
    line-height: 1.55;
    position: relative;
    z-index: 1;
}

/* ---------- Footer ---------- */
.footer {
    text-align: center;
    padding-top: 12px;
    opacity: 0;
    animation: cardEnter 1s cubic-bezier(0.16, 1, 0.3, 1) 1.2s forwards;
}

.footer p {
    font-size: 0.72rem;
    color: var(--color-text-dim);
    margin-bottom: 10px;
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
}

.footer-link {
    font-size: 0.72rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast), text-shadow var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-primary-light);
    text-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

.footer-divider {
    font-size: 0.6rem;
    color: var(--color-text-dim);
    opacity: 0.3;
}

/* ---------- Entry Animations ---------- */
@keyframes heroEnter {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
        filter: blur(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

@keyframes cardEnter {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.96);
        filter: blur(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

@keyframes featureEnter {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
    .maintenance-container {
        padding: 32px 16px 48px;
        gap: 22px;
    }

    .glass-card {
        padding: 32px 22px;
        border-radius: var(--radius-lg);
    }

    .card-title {
        font-size: 1.4rem;
    }

    .card-description {
        font-size: 0.88rem;
    }

    .countdown-number {
        font-size: 1.8rem;
    }

    .countdown-item {
        min-width: 56px;
    }

    .countdown-number-wrap {
        padding: 6px 10px;
        min-width: 56px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .feature-card {
        padding: 20px 18px;
    }

    .notify-form {
        flex-direction: column;
    }

    .notify-btn {
        width: 100%;
        padding: 14px;
    }

    .brand-name {
        font-size: 1.75rem;
    }

    .logo-icon {
        width: 68px;
        height: 68px;
    }
}

@media (max-width: 400px) {
    .countdown-number {
        font-size: 1.4rem;
    }

    .countdown-item {
        min-width: 48px;
    }

    .countdown-number-wrap {
        padding: 4px 8px;
        min-width: 48px;
    }

    .card-title {
        font-size: 1.2rem;
    }
}